Also fix some issues from the review.

While creating messages and extended descriptions, I noticed a few potential problems, which I also fixed;

- If the config manager does not accept the modules specification, or if the
  'get current config' command returns with an error, the system used to
  ignore that fact apart from printing an error, and continue running. It
  seems much better to explicitely fail, since the module would be running
  independent of what its config is supposed to be, which would be really
  unstable
- If the module cannot parse a command it gets over the command channel,
  it used to send back an error. If we have multiple modules listening on
  the same channel, this would result in multiple errors being returned
  It will now log an error, but it will not send back an answer

Sends packets with a mangled flags field to DNS servers and examines
the responses.

First cut at the logging module.  Still lacking configuration and
basic appenders.

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac438@4169 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac289@2733 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac289@2730 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac241@2490 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1360 e5f2f494-b856-4b98-b285-d166d9295462

moved tests into unittests/ subdirectory
added boostlibs ldd flag if needed


git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1321 e5f2f494-b856-4b98-b285-d166d9295462

This is based on ideas done in experiments/jreed-layout, but
I manually did this again.

Moved around directory structures.
A single python subdirectory under src/lib for single "isc" module.
No "cpp" directories.

No pyshared or includes symlink trees.

I tested running the c++ tests and python tests.
I tested running run_bind10.sh from source tree (with nothing installed).
I tested running bind10 from installed (after moving source).


git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1120 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1018 e5f2f494-b856-4b98-b285-d166d9295462

ticket #50 for full details)


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git-svn-id: svn://bind10.isc.org/svn/bind10/branches/jinmei-dnsrdata2@742 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/parkinglot@530 e5f2f494-b856-4b98-b285-d166d9295462

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git-svn-id: svn://bind10.isc.org/svn/bind10/branches/f2f200910@120 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@97 e5f2f494-b856-4b98-b285-d166d9295462

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@94 e5f2f494-b856-4b98-b285-d166d9295462